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"Hey! Say! JUMP 2007-2017 I/O" is the first Best Album released by Hey! Say! JUMP. It was released in three versions: a limited 2CD+DVD edition 1, a limited 3CD edition 2, both including a 40-page photo booklet and a regular 2CD edition, including a 32-page lyric booklet. The regular edition comes with a two-sided jacket cover which backside photo comes random.